diaphaneity

noun

di·​a·​pha·​ne·​i·​ty (ˌ)dī-ˌa-fə-ˈnē-ə-tē 

ˌdī-ə-fə-,

-ˈnā-

: the quality or state of being diaphanous

Word History

Etymology

borrowed from Medieval Latin diaphanēitāt-, diaphanēitās, from Greek diaphanē-, stem of diaphanḗs "transparent, diaphanous" + Latin -itāt-, -itās - -ity

First Known Use

15th century, in the meaning defined above